Global Patent Index - EP 0767026 B1

EP 0767026 B1 19990324 - Electrochemical machining process

Title (en)

Electrochemical machining process

Title (de)

Elektrochemisches Bearbeitungsverfahren

Title (fr)

Procédé d'usinage par électrochimie

Publication

EP 0767026 B1 19990324 (FR)

Application

EP 96402108 A 19961003

Priority

FR 9511648 A 19951004

Abstract (en)

[origin: EP0767026A1] A method is claimed for the electrochemical machining of a component (1). The component has a first part (17) liable to come into contact with an electrolyte and a second part (23) to be machined. The two parts (17,23) are separated by a geometrical transition line (33) at the surface of the component. The component (1) is arranged in the opening (18) of an electrically insulated screen (19) at the level of the transition line (33). The opening (18) is a conductor and carries a positive potential greater than that of the component. The method consists of:-a) the screen (19) is arranged in the work space (20) of an electrolysis cell and divides this space into two halves (21,22), one (22) of which contains the machining electrodes (26); b) the component (1) is arranged in the opening (18) with the part (23) to be machined in the half (22) containing the electrodes (26); c) the component (1) is then electrochemically machined.

IPC 1-7

B23H 9/10; B23H 3/00; B23H 11/00

IPC 8 full level

B23H 3/00 (2006.01); B23H 9/10 (2006.01); B23H 11/00 (2006.01)

CPC (source: EP)

B23H 3/00 (2013.01); B23H 9/10 (2013.01); B23H 11/00 (2013.01)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0767026 A1 19970409; EP 0767026 B1 19990324; CA 2186990 A1 19970405; CA 2186990 C 20060509; DE 69601849 D1 19990429; DE 69601849 T2 19990923; FR 2739584 A1 19970411; FR 2739584 B1 19971107

DOCDB simple family (application)

EP 96402108 A 19961003; CA 2186990 A 19961002; DE 69601849 T 19961003; FR 9511648 A 19951004